.add_box {
  padding: 20px;
  box-sizing: border-box;
}
.first {
  box-sizing: border-box;
  margin: 20px 0;
  padding-left: 50px;
}
.second {
  box-sizing: border-box;
  padding-bottom: 5px;
}
.third {
  padding-bottom: 5px;
}
